diff options
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index c00086d75580..51b3fbea1bf0 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1353,6 +1353,11 @@ static void sync_point_perfmon_sample_pre(struct etnaviv_gpu *gpu, val &= ~VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING; gpu_write(gpu, VIVS_PM_POWER_CONTROLS, val); + /* enable debug register */ + val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL); + val &= ~VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS; + gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val); + sync_point_perfmon_sample(gpu, event, ETNA_PM_PROCESS_PRE); } @@ -1371,6 +1376,11 @@ static void sync_point_perfmon_sample_post(struct etnaviv_gpu *gpu, *pmr->bo_vma = pmr->sequence; } + /* disable debug register */ + val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL); + val |= VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS; + gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val); + /* enable clock gating */ val = gpu_read(gpu, VIVS_PM_POWER_CONTROLS); val |= VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING; |